book Maths Puzzle Numerical Ability

____8______ - ______7_____
y^2-16 y^2 - y- 12

I do not understand how to factor the demoninator to find a LCD.

Read Solution (Total 0)

book Other Question

-1 + 5i
________
3 + 2i
Write 56-59 in h,k form and give important features of each.

56) 9x^2-4y^2+90x-16y+173=0
What I have done...
It is a hyperbola

57) y^2-6y+16x+25=0
What I have done...
It